/*
//创建数学工具类 使用pow方法
//当给pow方法传入 一个值   的时候最后的答案会返回这    值的4次幂

public class math_tool {
    double value;

    public math_tool(double value){
        this.value = value;
    }

    public double pow(){

        return this.value*this.value*this.value*this.value;
    }
    public static void main(String[] args){
        math_tool compute = new math_tool(13);
        double a = compute.pow();
        System.out.println(a);

        math_tool compute1 = new math_tool(45.6);
        double b = compute1.pow();
        System.out.println(b);

        math_tool compute2 = new math_tool(0.35);
        double c = compute2.pow();
        System.out.println(c);
    }
}

 */
